/*
* Copyright (C) Microsoft. All rights reserved.  
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not 
* use this file except in compliance with the License.  You may obtain a copy 
* of the License at http://www.apache.org/licenses/LICENSE-2.0  
* 
* THIS CODE IS PROVIDED *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED 
* WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 
* MERCHANTABLITY OR NON-INFRINGEMENT. 
*
* See the Apache License, Version 2.0 for specific language governing 
* permissions and limitations under the License.
*
*/
#pragma once

#include <baja/common.hpp>
#include <ppltasks.h>

namespace baja {

enum class open_mode
{
    read,
    create,
    append,
};

enum class stream_origin
{
    begin,
    current,
    end,
};

struct istream;
struct imemory_stream;

std::shared_ptr<istream> createFileStream(
    const wchar* fileName,
    const open_mode mode
    );

std::shared_ptr<imemory_stream> createMemoryStream(
    const void* data,
    const size_t dataSize
    );

std::shared_ptr<imemory_stream> createMemoryStreamFromFile(
    const wchar* fileName
    );

concurrency::task<std::shared_ptr<imemory_stream>> createMemoryStreamFromFileAsync(const wchar* fileName);

} //namespace baja